Biapenem impurity 26 CAS CATO-C4X-227326
| CAS No. | CATO-C4X-227326 |
| Molecular Formula | C15H20N4O5S |
| Molecular Weight | 368.41 g/mol |
| Category | Pharmacopoeial Impurity Standards / EP Impurities |
| Availability | In Stock |
Chemical Structure
Description
Compared with other compounds in its class, the molecular weight of 368.41 g/mol gives Biapenem impurity 26 distinctive chromatographic separation conditions and mass-spectrometry parameter settings.
As a process- or degradation-related impurity, Biapenem impurity 26 (CAS CATO-C4X-227326, C15H20N4O5S) is essential for impurity profiling, related-substances testing, and forced-degradation studies in pharmaceutical development.
Based on its molecular formula C15H20N4O5S, Biapenem impurity 26 contains a flavonoid core, an amide group, a sulfone group, a hydroxyl group, an ether linkage; these features give the compound characteristic absorption bands in UV spectroscopy. The molecular weight of 368.41 g/mol is directly relevant to the identification of the molecular ion in mass spectrometry. Nitrogen-containing functional groups confer excellent ionization efficiency in positive-ion electrospray (ESI) mode, making the compound well suited to LC-MS/MS analysis.
This reference standard supports related-substances testing and method development in line with ICH Q3A/Q3B guidance on impurity control, and is suitable for system suitability testing and forced-degradation studies.
As a certified reference material (CRM), Biapenem impurity 26 meets the metrological traceability requirements of ISO/IEC 17025 laboratories. Batch-to-batch consistency is monitored via control charts to guarantee comparable assigned values across lots.
Physical & Chemical Properties
| Molecular Formula | C15H20N4O5S |
| Molecular Weight | 368.41 g/mol |
| Purity | ＞90% |
| Storage | Store at 2-8°C, protect from light, keep sealed and dry |
| Solubility (reference) | Soluble in DMSO, DMF, methanol |
| Stability | May oxidize slowly on prolonged air exposure; Light-sensitive; avoid direct strong light; Hygroscopic; reseal immediately after opening |
| Degree of Unsaturation (DBE) | 8.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| Nitrogen Atoms | 4 |
| Sulfur Atoms | 1 |
Related Biapenem Standards
- Biapenem impurity 1 (CAS CATO-C4X-22731)
- Biapenem Impurity 24 (CAS CATO-C4X-227324)
- Biapenem Impurity 34 (CAS CATO-C4X-227334)
- Biapenem impurity 4 (CAS CATO-C4X-22734)
- Biapenem impurity 16 (CAS CATO-C4X-227316)
- Biapenem impurity 27 (CAS CATO-C4X-227327)
- Biapenem impurity 5 (CAS CATO-C4X-22735)
- Biapenem-13C2,15N3 (CAS 120410-24-4 (unlabeled))
Recommended Standards
- Gliclazide Impurity 17 (CAS CATO-C4X-144917)
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- Ethylfenacin (CAS 110882-80-9)
- Vericiguat Impurity 87 (CAS CATO-C4X-289687)
- Melitracen Impurity 13 (CAS 71264-79-4)
- Safinamide Impurity 26 (CAS CATO-C4X-159026)
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- Palmitoyl Tetrapeptide-7 (CAS 221227-05-0)
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